Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
питом
←
Bulgarian
питая
(cognate)
←
Bulgarian
-ом
(affix)
←
Proto-Slavic
*pitom
(inherited)
→
Bulgarian
-ом
(link)